Including sodium thiosulfate, which acts as a sulfur donor to the endogenous rhodanese enzyme that detoxifies cyanide by changing it to thiocyanate POTASSIUM CYANIDE is usually a basic salt in addition to a reducing agent. Reacts with acids of all types to generate poisonous hydrogen cyanide gasoline. Can respond violently https://potassiumcyanideacidicbas79225.ampedpages.com/potassium-cyanide-nfpa-for-dummies-57343054